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Nakken O, Aarseth JH, Wergeland S, Stigum H, Meyer HE, Holmøy T. BCG vaccination and multiple sclerosis risk: A Norwegian cohort study. Mult Scler 2024; 30:646-653. [PMID: 38414125 PMCID: PMC11071596 DOI: 10.1177/13524585241230440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/17/2023] [Accepted: 01/18/2024] [Indexed: 02/29/2024]
Abstract
INTRODUCTION Bacillus Calmette-Guérin (BCG) vaccination induces long-lasting effects on the adaptive and innate immune systems and prevents development of experimental autoimmune encephalomyelitis and possibly also inflammatory disease activity in multiple sclerosis (MS). OBJECTIVE The objective is to examine if BCG given in early adulthood decreases MS risk. METHODS From 791,369 (52% females) Norwegians participating in a national tuberculosis screening program from 1963 to 1975, we collected information on BCG vaccination and tuberculosis disease status. Later, MS disease was ascertained through both the Norwegian MS Registry and Biobank and the Norwegian Death Registry. We used logistic regression models to assess the relationship between BCG vaccination and MS risk. RESULTS In those BCG vaccinated, mean age at vaccination was 15.6 (standard deviation (SD) = 5.5) years. A total of 2862 (65% females) MS cases were retrieved. Overall, we found no association between MS risk and BCG vaccination. Compared to non-BCG-vaccinated individuals with no signs of tuberculosis infection, odds ratio (OR) for MS was 1.00 (95% confidence interval (CI) = 0.80-1.25) in the BCG-vaccinated group. In those not BCG vaccinated because of latent tuberculosis infection, the corresponding OR was 0.86 (95% CI = 0.66-1.13). CONCLUSION We found no evidence of BCG vaccination or latent tuberculosis infection in young adulthood being linked to MS risk.
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Affiliation(s)
- Ola Nakken
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
| | - Jan Harald Aarseth
- Norwegian MS Registry and Biobank, Department of Neurology, Haukeland University Hospital, Bergen, Norway/Institute of clinical medicine, University of Bergen, Bergen, Norway
| | - Stig Wergeland
- Norwegian MS Registry and Biobank, Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Hein Stigum
- Norwegian Institute of Public Health, Oslo, Norway/ Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway
| | - Haakon E Meyer
- Norwegian Institute of Public Health, Oslo, Norway/ Department of Community Medicine and Global Health, University of Oslo, Oslo, Norway
| | - Trygve Holmøy
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway/Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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Rousseau MC, Parent ME, Corsenac P, Salmon C, Mésidor M, Fantodji C, Conus F, Richard H, Jantchou P, Benedetti A. Cohort Profile Update: The Québec Birth Cohort on Immunity and Health (CO·MMUNITY). Int J Epidemiol 2024; 53:dyae014. [PMID: 38365966 PMCID: PMC10873493 DOI: 10.1093/ije/dyae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 01/18/2024] [Indexed: 02/18/2024] Open
Affiliation(s)
- Marie-Claude Rousseau
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Marie-Elise Parent
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Philippe Corsenac
- Department of Nursing Sciences, Population Health, Université du Québec en Outaouais, Saint-Jérôme, QC, Canada
| | - Charlotte Salmon
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Miceline Mésidor
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montréal, QC, Canada
- Carrefour de l’innovation, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC, Canada
| | - Canisius Fantodji
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
- Research Centre, Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
| | - Florence Conus
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Hugues Richard
- Epidemiology and Biostatistics Unit, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique (INRS), Laval, QC, Canada
| | - Prévost Jantchou
- Research Centre, Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Centre Hospitalier Universitaire Sainte-Justine, and Université de Montréal, Montréal, QC, Canada
| | - Andrea Benedetti
- Respiratory Epidemiology and Clinical Research Unit, McGill University Health Centre, Montréal, QC, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, Montréal, QC, Canada
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